Mirjam Bos / Mbed 2 deprecated emg_calibration

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Dependencies:   BiQuad4th_order Biquad HIDScope MODSERIAL biquadFilter mbed

Fork of emg_calibration by Silvie van den Bogaard

main.cpp

Committer:
Mirjam
Date:
2018-10-31
Revision:
2:a4148186b3e3
Parent:
1:f99650c5b9eb
Child:
3:274fb751b92d

File content as of revision 2:a4148186b3e3:

#include "mbed.h"
#include "MODSERIAL.h"
#include "BiQuad.h"
#include "BiQuad4.h"
#include "FilterDesign.h"
#include "FilterDesign2.h"
#include "HIDScope.h"
MODSERIAL pc(USBTX, USBRX); //makes sure the computer is hooked up
Ticker sample;

AnalogIn emg1_raw(A0);
AnalogIn emg2_raw(A1);
DigitalOut led(LED_RED);

//global variables
double emg1_cal = 0.00000; //measured value of the first emg
double emg2_cal = 0.00000; //measured value of the second emg
double EMG_calibrated_max_1 = 0.00000; //final calibration value of EMG1
double EMG_calibrated_max_2 = 0.00000; //final calibration value of EMG2

void ReadEMG()
{
    emg1_cal = FilterDesign(emg1_raw.read());
    emg2_cal = FilterDesign2(emg2_raw.read());
}

void EMG_calibration()
{
    for (int i = 0; i <= 10; i++) //10 measuring points
        {      
        if (emg1_cal > EMG_calibrated_max_1){
            EMG_calibrated_max_1 = emg1_cal;}
            
        if (emg2_cal > EMG_calibrated_max_2){
            EMG_calibrated_max_2 = emg2_cal;}
            
        pc.printf("EMG1_max = %f, EMG2_max = %f \r\nEMG1_filtered = %f \r\nEMG2_filtered = %f \r\n",EMG_calibrated_max_1,EMG_calibrated_max_2, emg1_cal, emg2_cal);
        wait(0.5f);
        }
}
        
int main(){
    pc.baud(115200);
    // Attach the 'ReadEMG' function to the timer 'sample'. Frequency is 50 Hz.
    sample.attach(&ReadEMG, 0.02f);
    
    while (true) {
        led = 0;
        EMG_calibration();
        led = 1;
        pc.printf("Final: EMG1 = %f, EMG2 = %f \r\n",EMG_calibrated_max_1,EMG_calibrated_max_2);
    }
}